10-day forecast for St. Charles, VA: 67° to 95°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
95°
Best day: Tuesday, August 18
84° · 0.45 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 67°0.03
Morning69°feels 70°
Afternoon85°feels 85°
Evening76°feels 77°
Overnight67°feels 68°
85 °
St. Charles, Monday, 10 August
Light rain. High 85°, low 67°.
Pressure30.12 inHg
Wind5.3 mph SW
Humidity62%
Visibility6.2 mi
Dew point68°
Tue, 1184° / 68°0.43
Morning70°feels 71°
Afternoon83°feels 87°
Evening75°feels 76°
Overnight70°feels 70°
84 °
St. Charles, Tuesday, 11 August
Rain. High 84°, low 68°.
Pressure30.09 inHg
Wind2.2 mph SW
Humidity85%
Visibility6.2 mi
Dew point73°
Wed, 1291° / 67°0.11
Morning69°feels 70°
Afternoon91°feels 95°
Evening79°feels 79°
Overnight69°feels 70°
91 °
St. Charles, Wednesday, 12 August
Light rain. High 91°, low 67°.
Pressure29.91 inHg
Wind9.2 mph W
Humidity57%
Visibility6.2 mi
Dew point68°
Thu, 1389° / 69°0.05
Morning69°feels 70°
Afternoon88°feels 91°
Evening76°feels 77°
Overnight71°feels 72°
89 °
St. Charles, Thursday, 13 August
Light rain. High 89°, low 69°.
Pressure30.00 inHg
Wind4.7 mph SW
Humidity55%
Visibility6.2 mi
Dew point66°
Fri, 1484° / 69°0.45
Morning74°feels 78°
Afternoon83°feels 91°
Evening76°feels 77°
Overnight72°feels 73°
84 °
St. Charles, Friday, 14 August
Rain. High 84°, low 69°.
Pressure30.06 inHg
Wind5.3 mph NW
Humidity80%
Visibility—
Dew point75°
Sat, 1589° / 70°0.4
Morning77°feels 80°
Afternoon87°feels 93°
Evening78°feels 78°
Overnight73°feels 74°
89 °
St. Charles, Saturday, 15 August
Light rain. High 89°, low 70°.
Pressure30.15 inHg
Wind5 mph W
Humidity58%
Visibility—
Dew point70°
Sun, 1694° / 70°0.02
Morning78°feels 79°
Afternoon91°feels 93°
Evening79°feels 79°
Overnight74°feels 75°
94 °
St. Charles, Sunday, 16 August
Light rain. High 94°, low 70°.
Pressure30.03 inHg
Wind10.2 mph W
Humidity37%
Visibility—
Dew point61°
Mon, 1790° / 70°0.3
Morning76°feels 78°
Afternoon89°feels 94°
Evening80°feels 84°
Overnight74°feels 76°
90 °
St. Charles, Monday, 17 August
Rain. High 90°, low 70°.
Pressure30.00 inHg
Wind5.6 mph W
Humidity52%
Visibility—
Dew point68°
Tue, 1895° / 71°0
Morning80°feels 82°
Afternoon92°feels 96°
Evening78°feels 79°
Overnight76°feels 76°
95 °
St. Charles, Tuesday, 18 August
Clear. High 95°, low 71°.
Pressure30.03 inHg
Wind6.1 mph SW
Humidity41%
Visibility—
Dew point65°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in St. Charles, VA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.